[tz] Troll throws zic for a loop

[Zefram]

I wrote:
>                                         zic should dynamically reallocate
>its array as required, starting from a much smaller size.

Attached patch implements.  I didn't touch localtime.c yet.

-zefram
-------------- next part --------------
A non-text attachment was scrubbed...
Name: zic_dynamic_times.patch
Type: text/x-diff
Size: 1580 bytes
Desc: not available
URL: <http://mm.icann.org/pipermail/tz/attachments/20140320/6e75d6bc/attachment.patch>